Air temperature-regulating and purifying device.



N0. 7l6,380r Patent "00. 23, I902. L. E. CLAW-SON.

AIR TEIPERATUBE REGULATING AND PURIFYIN'G DEVICE.

(Application mad llov. 1a, 1901.

(Ila Iodal.)

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LEONARD E. CLAWSCN, OF SAN FRANCISCO, CALIFORNIA.

AIR TiEWlPERATURE REGULATlNG AND PURlFYlNG DEVICE.

SPEGIFLUATICH forming part of Letters Patent No. 716,380, dated December 2 1902. Application filed November 15,1901. Serial No, 82.404. (No model.)

I0 all whom, it may concern:

Be it known that I, LEONARD E. OLAWSON, a citizen of the United States, residing in the city and county of San Francisco, State of California, have invented an Improvement in Air Temperature-Regulating, Purifying, and Circulating Devices; and I hereby declare the following to be afull, clear, and exact description of the same.

My invention relates to an apparatus for regulating the temperature and for purifying and circulating the air of a room.

My invention comprises details of construction which will be more fully explained by reference to the accompanying drawings, in which Figure 1 is a longitudinal vertical section of the device. Fig. 2 is a cross-section on line 00 .00 of Fig. 1.

Many devices have been employed for changing the air of rooms by drawing in fresh air and discharging that which has become vitiated.

My apparatus is designed for purifying the air within the room without necessarily making changes by withdrawing and replacing.

In the present construction of my apparatus A is a horizontally-disposed box or casing preferably supported in the upper part of the room, because the heated and vitiated air always rises. This casing may be of any suitable or desired shape. I have shown it as rectangular in form and having the lower part in the form of a tight trough, which will hold water. At one end of this casing, which is open, is an air-forcing apparatus 2 of any suitable or desired construction, and this is designed to draw in the air of the room and force it through the casing. Within the casing and connecting with the passage in which the air-forcing device is located are tortuous passages 3. These passages are, as here shown, first curved upwardly and then downwardly, having open months, as at 4:, in close proximity with the surface of the water in the lower part of the casing, so that the air forced through them will be repeatedly carried in this curved line and projected downwardly against and into the Water. As shown in Fig. 1, the tortuous passage is formed by two walls a I), located within the box. The upper wall a is formed of a series of regular curves extending in the direction of the length of the box, whereby the air striking the regular curves of said wall has given to it a regular and substantially unbroken movement, so that it is directed down against the exposed surface of the Water in the trough, carrying the dust particles with it. The lower wall I) is shown as angular or A-shaped in longitudinal section, the upper portions of the angles extending up into the curves of the upper Wall and the bases of the angular portions having openings, as at at, in line vertically with the ends of the curves of the upper wall to expose portions of the water to the air-current.

The water is supplied to the apparatus through pipes 5 and 6, having suitable controlling-cocks, and these pipes connect with hot and cold water sources of supply, so that the temperature of the water may be maintained at any desired degree. In summer the water would preferably be as cool as could be obtained, while in the winter by keeping the water in a heated condition the air would be measurably warm and the necessity for other methods of heating considerably reduced.

In the upper part of the chamber are screens or grating-surfaces 7, which intersect or pass across the upper parts of the passages 3. Connected with these spaces are suitable openings 8, through which ice or other cooling or purifying medium may be introduced to rest upon the gratings. This being used when the weather is hot, the air then passes through the apparatus, being introduced by the blast device 2, and is forced through the first upwardly-curved passage 3, and if the weather is warm it comes in contact with the ice in the upper portion of the chamber and is measurably cooled. From this point the passage extends downwardly, so that the air is forced against or into the water, and any dust or similar impurities carried by it will be deposited and absorbed by the water.

The water is constantly changed and renewed by the supply-pipes 5 and 6 and the overflow or discharge pipe 9, and it'can be kept at any temperature desired. by means of the hot and cold water inlets and the icereceptaole.

The air may be discharged through an opening at the end of the apparatus opposite the inlet. I prefer to employ a flexible pipe, as 10, which enables me to deliver the air to any desired part of the room.

If desired, materials may be placed in the chamber through which the air passes above thegrating, from which the passing air will absorb oxygen or any other element which it may be desired to add to it.

Having thus described myinvention, what I claim, and desire to secure by Letters Patent, is-

1. The combination in an organized apparatus for regulating the temperature of and purifying air, of a horizontally-disposed box having a water-containing trough in the lower part, said box having a tortuous passage through it and including an upper wall of regular curves adapted to impart to the air a regular and substantially unbroken movement, and a lower Wall with openings at intervals and substantially in line, vertically, with the terminals of the curves of the upper wall whereby the air is brought into contact With the surface of the water in the trough as the air passes from one curved portion of the upper wall to a succeeding curved portion; air-forcing mechanism at the inlet of the passage, and a discharge-passage and conductor at the opposite end of said passage.

2. The combination in an organized apparatus for regulating the temperature of and purifying air, of a horizontally-disposed box having within it two walls forming a tortuous air-passage,the upper of said walls formed with a series of connecting-curvesof regular formation and extending in the direction of the length of the box, and the lower wall being formed substantially angular in longitudinal section with openings at the bases of the angles in line with the ends of the curves of the upper wall; gratings in the upper portions of the curves of said upper wall, adapted to receive a cooling medium; air -forcing mechanism connected to one end of the tortuous passage and a discharge and conductor at the opposite end of the passage.

In witness whereof I have hereunto set my hand.

LEONARD E. CLAWSON.

Witnesses:

S. H. NOURSE, JESSIE C. BRoDIE. 

